Caterpillar 9X-9591 Governor Control Module
The Caterpillar 9X-9591 Governor Control Module, also identified as a Pulse Width Speed Controller, is a premium OEM electronic component engineered for precise engine speed regulation in Caterpillar machinery. Housed in a rugged metal enclosure, this control module is built to withstand harsh industrial environments while maintaining optimal performance. It features an integrated adjustment potentiometer for accurate calibration and clearly labeled terminal blocks (1, 2, 3 and -B, S, D, +B) to ensure secure, straightforward electrical connections. Designed to exact Caterpillar specifications, the 9X-9591 guarantees reliable throttle response and superior governor control for your heavy equipment.
Technical Specifications:
- Brand: Caterpillar
- Part Number: 9X-9591
- Part Type: Electronic Governor Control Module / Pulse Width Speed Controller
- Housing Material: Metal Enclosure
- Terminal Configuration: 1, 2, 3 and -B, S, D, +B
- Features: Integrated adjustment potentiometer

| Brand | Caterpillar |
|---|---|
| Model | 9X-9591 |
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
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Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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Caterpillar 9X-9591 Governor Control Module
Shop the genuine Caterpillar 9X-9591 Governor Control Module. This heavy-duty, metal-housed pulse width speed controller ensures precise engine speed regulation for CAT heavy machinery. Features labeled terminal blocks and an adjustment potentiometer for easy installation and calibration.

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